﻿/*
 * The MIT License (MIT)
 * 
 * Copyright (c) 2012 Brno University of Technology - Faculty of Information Technology (http://www.fit.vutbr.cz)
 * Author(s):
 * Vladimir Vesely (mailto:ivesely@fit.vutbr.cz)
 * Martin Mares
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

using System;
using System.IO;

namespace PcapMerger
{
    abstract class PmFrameBase : IPmFrame
    {
        protected PmSupportedTypes.CaputreFileFrameType cframeType;

        protected BinaryReader sourceFileReader;
        protected DateTime timeStamp;
        protected UInt32 includedLength;
        protected UInt32 originalLength;
        protected UInt32 frameOffset;
        protected PmSupportedTypes.LinkTypes linkType;

        public PmFrameBase(BinaryReader srcFile, UInt32 frameOffset, DateTime ts, PmSupportedTypes.LinkTypes lType, UInt32 incLen, UInt32 origLen)
        {
            timeStamp = ts;
            includedLength = incLen;
            originalLength = origLen;
            sourceFileReader = srcFile;
            linkType = lType;
            this.frameOffset = frameOffset;
        }

        public PmSupportedTypes.LinkTypes LinkType()
        {
            return linkType;
        }

        public DateTime TimeStamp()
        {
            return timeStamp;
        }

        public UInt32 OriginalLength()
        {
            return includedLength;
        }

        public UInt32 IncludedLength()
        {
            return originalLength;
        }

        public UInt32 FrameOffset()
        {
            return frameOffset;
        }

        public PmSupportedTypes.CaputreFileFrameType Type()
        {
            return cframeType;
        }

        public abstract byte[] Data();


        public int CompareTo(IPmFrame other)
        {
            return other != null ? timeStamp.CompareTo(other.TimeStamp()) : 0;
        }

        public int CompareTo(object obj)
        {
            throw new NotImplementedException();
        }
    }
}
